A method for the application and release of a tool in an electric battery driven hand tool has a rotatable chuck housing which operates the jaws

摘要

A rechargeable electric hand tool (1) has a chuck housing (4) with jaws (6) for gripping a tool (5) which is rotatable about the drive shaft axis to place an indicator (16,17,18) against an arrow head (15) to put the tool into operation (a). Turning to the indicator (17) releases the jaws and tool and to the indicator (18) to tighten the jaws to a new tool.